code: def testValueStatistic(self):
      p = Pool({"foo": [1, 2, 3, 4, 5]})
  
      results = PoolAggregator(defaultStats=["max", "value"])(p)
  
      self.assertTrue(results.containsKey("foo.max"))
      self.assertTrue(results.containsKey("foo.value"))
      self.assertAlmostEqual(results["foo.max"], 5)
      self.assertAlmostEqualVector(
          results["foo.value"], [1, 2, 3, 4, 5]
      )
  
file_path: essentia/test/src/unittests/stats/test_poolaggregator.py
imports: from essentia_test import *
label_desc: Use image node_id 12 for calling the TestPoolAggregator obj's underlying member method code with example usage: obj.testValueStatistic() without return types